MARIA HELENA VIEIRA DA SILVA - 1908-1992 "Babel" or "Fernando Pessoa" India ink on paper signed and dated 1979 Dimensões (altura x comprimento x largura) - 25,7 x 18,2 cm Notes: certificate of authenticity issued by the Szenes - Vieira da Silva committee, with no. 178 and dated Paris - 11/8/2007.